Boko Haram bid to join IS offers propaganda boost to both

TEL

Published
1:00 pm EDT, Sunday, March 8, 2015

FILE -This Monday, May 12, 2014, file photo taken from video by Nigeria's Boko Haram terrorist network, shows their leader Abubakar Shekau speaking to the camera. Shekau has allegedly made a formal allegiance to the Islamic State on Saturday, March 7, 2015, in an Arabic audio message with English subtitles and was posted on Twitter, according to the SITE Intelligence monitoring service. (AP Photo, File)

FILE -This Monday, May 12, 2014, file photo taken from video by Nigeria's Boko Haram terrorist network, shows their leader Abubakar Shekau speaking to the camera. Shekau has allegedly made a formal allegiance to the Islamic State on Saturday, March 7, 2015, in an Arabic audio message with English subtitles and was posted on Twitter, according to the SITE Intelligence monitoring service. (AP Photo, File)

FILE -This Monday, May 12, 2014, file photo taken from video by Nigeria's Boko Haram terrorist network, shows their leader Abubakar Shekau speaking to the camera. Shekau has allegedly made a formal allegiance to the Islamic State on Saturday, March 7, 2015, in an Arabic audio message with English subtitles and was posted on Twitter, according to the SITE Intelligence monitoring service. (AP Photo, File)